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发明名称
Device for visual indication of direct voltages
摘要
申请公布号
US3061781(A)
申请公布日期
1962.10.30
申请号
US19600016862
申请日期
1960.03.22
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
DIEMER GESINUS
分类号
H05B33/08
主分类号
H05B33/08
代理机构
代理人
主权项
地址
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